You can use our light-weight CSS editor on the Appearance preference page. Go to the E4 install site and install the ''E4 CSS editor (Incubation)''. After a restart, you can go to the ''General > Appearance'' Preference page and modify the CSS. Some changes require another restart to take effect, some are instantaneous.

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You can use our light-weight CSS editor to modify your look and feel. Go to the E4 install site and install the ''E4 CSS editor (Incubation)''. After a restart, you can go to the ''General > Appearance'' Preference page and modify the CSS. Some changes require another restart to take effect, some are instantaneous.

You can customize some of the new look and feel by editing the style sheet on the ''General > Appearance'' Preference page.

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=== Removing customizations ===

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Use the '''Restore Defaults''' button to remove any customizations you've added to the style sheets and reset it to what's currently in ''plugins/org.eclipse.platform''.

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=== Switch to single editor tab mode ===

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You can switch to single editor tab mode by adding the following CSS

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#org-eclipse-ui-editorss CTabFolder.MPartStack {

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swt-single: true;

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}

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=== Switching tab styles ===

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The Classic theme supports both 2.1 and 3.x style tabs. You would edit the '''swt-simple''' property in your style sheet in ''.MPartStack''. It depends on the '''swt-tab-renderer''' being set to ''null''.

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.MPartStack {

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swt-tab-renderer: null;

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swt-selected-tabs-background: #FFFFFF #ECE9D8 100%;

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swt-simple: true;

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swt-mru-visible: true;

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}

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=== Reducing the tab font size ===

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You can change the tab font size by editing the existing ''.MPartStack'' entry:

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<source lang="css">

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.MPartStack {

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font-size: 9;

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swt-simple: false;

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swt-mru-visible: false;

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}

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</source>

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=== Hide the Quick Access bar ===

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<source lang="css">

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#SearchField {

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visibility: hidden;

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}

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</source>

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N.B.: The "visibility: hidden" CSS attribute doesn't remove the element, it just makes it invisible. It will still occupy the same amount of space as before. If you expect to get more free place in the toolbar, you won't get it.

CSS in Eclipse 4.2

Some of the preferences from the General > Appearance > Colors and Fonts Preference page have been overridden by the CSS themes used in Eclipse 4.2.

The Eclipse SDK uses themes to group CSS style sheets for styling the workbench. They can be found in INSTALL/plugins/org.eclipse.platform_4.2.0.qualifier/css.

Editing the CSS in eclipse

You can use our light-weight CSS editor to modify your look and feel. Go to the E4 install site and install the E4 CSS editor (Incubation). After a restart, you can go to the General > Appearance Preference page and modify the CSS. Some changes require another restart to take effect, some are instantaneous.

Reducing the tab font size

You can change the tab font size by editing the existing .MPartStack entry:

.MPartStack{font-size:9;
swt-simple: false;
swt-mru-visible: false;}

Hide the Quick Access bar

#SearchField{visibility:hidden;}

N.B.: The "visibility: hidden" CSS attribute doesn't remove the element, it just makes it invisible. It will still occupy the same amount of space as before. If you expect to get more free place in the toolbar, you won't get it.